81304090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1161487}}^1$

素因数の和:1161501

約数の個数: 16

約数和(自身を含む): 167254272

約数和(自身を除く): 85950182

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1161487, 2322974, 5807435, 8130409, 11614870, 16260818, 40652045, 81304090]

約数ペア:

[(1, 81304090), (2, 40652045), (5, 16260818), (7, 11614870), (10, 8130409), (14, 5807435), (35, 2322974), (70, 1161487)]